devmgr.h

T-kernel 的extension源代码

/*
 *----------------------------------------------------------------------
 *    T-Kernel / Standard Extension
 *
 *    Copyright (C) 2006 by Ken Sakamura. All rights reserved.
 *    T-Kernel / Standard Extension is distributed 
 *      under the T-License for T-Kernel / Standard Extension.
 *----------------------------------------------------------------------
 *
 *    Version:   1.00.00
 *    Released by T-Engine Forum(http://www.t-engine.org) at 2006/8/11.
 *
 *----------------------------------------------------------------------
 */

/*
 *	devmgr.h (device)
 *
 *	Device management
 */

#include <basic.h>
#include <extension/device.h>
#include <extension/errno.h>
#include <tk/tkernel.h>
#include <tk/util.h>
#include <sys/util.h>
#include <libstr.h>
#include <sys/debug.h>

/*
 * Lock for device management exclusive control
 */
EXPORT FastLock	BDevMgrLock;
#define	LockDM()	Lock(&BDevMgrLock)
#define	UnlockDM()	Unlock(&BDevMgrLock)

/* ------------------------------------------------------------------------ */

#define	IMPORT_DEFINE	1
#if IMPORT_DEFINE
/* main.c */
IMPORT ER	ubdevnm( UB ub_nm[], TC *tc_nm );
IMPORT void	tcdevnm( TC *tc_nm, UB *ub_nm, W max );
IMPORT ER	DeviceMgr( INT ac, UB *av[] );

/* devio.c */
IMPORT WER	_tkse_opn_dev2( TC *dev, W o_mode, W *error );
IMPORT ER	_tkse_cls_dev2( W dd, UINT option, W *error );
IMPORT ER	_tkse_rea_dev2( W dd, W start, B *buf, W size, W *a_size, W *error );
IMPORT ER	_tkse_wri_dev2( W dd, W start, B *buf, W size, W *a_size, W *error );

/* devinfo.c */
IMPORT ER	CheckAccessMode( UB *devnm, W omode );
IMPORT ER	tkCheckAccessMode( UB *devnm, UINT omode );
IMPORT ER	UpdateAccessMode( ID devid, BOOL reg );
IMPORT ER	_tkse_chg_dmd( TC *dev, W mode );
IMPORT ER	_tkse_dev_sts( TC *dev, DEV_STATE *buf );
IMPORT WER	_tkse_get_dev2( TC *dev, W num );
IMPORT WER	_tkse_lst_dev2( DEV_INFO *dev, W ndev );
/* devsus.c */
IMPORT ER	SetSusResNotify( UW mode, W pid );
IMPORT WER	_tkse_sus_dev( UW mode );

/* devio.c (TK) */
IMPORT ID	_tkse_opn_dev( UB *devnm, UINT omode );
IMPORT ER	_tkse_cls_dev( ID dd, UINT option );
IMPORT ID	_tkse_rea_dev( ID dd, INT start, VP buf, INT size, TMO tmout );
IMPORT ER	_tkse_srea_dev( ID dd, INT start, VP buf, INT size, INT *asize );
IMPORT ID	_tkse_wri_dev( ID dd, INT start, VP buf, INT size, TMO tmout );
IMPORT ER	_tkse_swri_dev( ID dd, INT start, VP buf, INT size, INT *asize );
IMPORT ID	_tkse_wai_dev( ID dd, ID reqid, INT *asize, ER *ioer, TMO tmout );
IMPORT ID	_tkse_get_dev( ID devid, UB *devnm );
IMPORT ID	_tkse_ref_dev( UB *devnm, T_RDEV *rdev );
IMPORT ID	_tkse_oref_dev( ID dd, T_RDEV *rdev );
IMPORT INT	_tkse_lst_dev( T_LDEV *ldev, INT start, INT ndev );

#endif